Home / 22,028.25-30,385.15-13,069.41

Finding the Fourth Proportional to 22,028.25, 30,385.15 and 13,069.41

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Solution

The fourth proportional to 22,028.25, 30,385.15 and 13,069.41 is: 18,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.25 : 30,385.15 = 13,069.41 : x
  2. Step 2: Convert to fraction form
    22,028.25/30,385.15 = 13,069.41/x
  3. Step 3: Cross multiply
    22,028.25x = 30,385.15 × 13,069.41
  4. Step 4: Simplify right side
    22,028.25x = 397,115,983.26
  5. Step 5: Solve for x
    x = 397,115,983.26/22,028.25
  6. Step 6: Final answer
    x = 18,027.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.